OpenSBI v1.7 Released

[Anup Patel]

Hi All,

The OpenSBI v1.7 is now available on GitHub at:
https://github.com/riscv-software-src/opensbi/releases

This release has:

* New parameter in top-level Makefile for reproducible builds
* Added MIPS P8700 platform support
* Allow arbitrary path in LLVM parameter of top-level Makefile
* Improved SBI v3.0 extensions to match frozen specification
* Emulate AMO instructions when Zaamo is not available
* Stop the harts waiting for HSM start from supervisor software
* Improved generic platform overrides to use common fdt_driver helpers
* Improved SBI MPXY framework to use per-domain data
* Added support for control transfer records (CTR) ISA extension
* Use LR and SC when Zaamo ISA extension is not available
* Added PXA UART support
* Added support for double-trap ISA extensions
* Optimized hartid and scratch lookup
* Added unit tests for bitwise operations
* Added unit tests for SBI ecall functionality
* Constify various FDT driver definitions
* Added MPXY RPMI mailbox driver for System MSI service group
* Improved RPMI drivers to match frozen specifications
* Initialize miscellaneous early drivers in one pass
* Use fdt_driver helpers for irqchip driver framework
* Allow adding SSE events dynamically at boot-time
* Simple singly linked list implementation

Overall, this release adds more ISA extensions and does many
device driver improvements.

Many thanks to everyone who has contributed to this release.

Best Regards,
Anup Patel